Fontable is a project to pair every iso-15924 script code to a font. These are accessible via the JSdeliver CDN.
Each Script code will have a default css file in addition to a dedicated one for each font family. Check out the Example.
https://cdn.jsdelivr.net/gh/jonbitgood/fontable/fonts/Laoo/default.css
Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.